Tiny, colorful and almost cartoonishly cute, it looks like the sort of sea creature you’d want to photograph up close... but ...

Octopuses have gotten a reputation for being cunning camouflagers and intelligent creatures. But some are known for a more ominous reason: They're deadly. One group — the blue-ringed octopus (genus ...

This small, cute looking creature is one of the most dangerous animals in the ocean. It hides on shallow reefs, blending into its surroundings. While snorkeling or walking near the shore, you might ...

This unassuming octopus pairs bacterial chemistry with evolutionary efficiency to deliver one of the most powerful defenses in all of the ocean. The blue-ringed octopus (genus Hapalochlaena) is small ...

An experienced local diver and underwater photographer has captured an extremely rare sight: a mother blue-ringed octopus carrying her eggs in Port Phillip Bay.

A lucky diver managed to capture the rare sight of a mother blue-ringed octopus with her eggs in Port Phillip Bay, Victoria.

Being bitten by a strange animal can be extremely scary, especially since so many species use venom against their prey. One such animal is the blue-ringed octopus. While octopus venom is not typically ...

When they're alarmed, blue-lined octopuses display iridescent blue rings on their arms to ward off approaching predators. Totti via Wikimedia Commons under CC BY-SA 4.0 Animals have evolved many ...

The discovery of a blue octopus about the size of a golf ball has delighted marine biologists and the public with its rarity – and its big-eyed cute factor. The octopus was found 5,800 feet deep in ...